Add example code for custom timestamping
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#include <uvgrtp/lib.hh>
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#define PAYLOAD_MAXLEN 100
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int main(void)
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{
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/* To use the library, one must create a global RTP context object */
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uvg_rtp::context ctx;
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/* Each new IP address requires a separate RTP session.
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* This session objects contains all media streams and an RTCP object (if enabled) */
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uvg_rtp::session *sess = ctx.create_session("127.0.0.1");
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/* Create MediaStream and RTCP for the session */
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uvg_rtp::media_stream *hevc = sess->create_stream(8888, 8889, RTP_FORMAT_HEVC, RCE_RTCP);
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uint8_t *buffer = new uint8_t[PAYLOAD_MAXLEN];
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uint32_t clock_rate = 90000 / 30;
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uint32_t timestamp = 0;
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/* If you don't want uvgRTP to handle timestamping but wish to do that yourself
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* AND you want to use RTCP, timestamping info must be provided for the RTCP so
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* it is able calculate sensible values for synchronization info
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*
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* The first parameter is NTP time associated with the corresponding RTP timestamp,
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* second parameter is clock rate and the third parameter is RTP timestamp for t = 0
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* (it can be zero or some random number, does not matter)
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*
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* NOTE: dummy data passed as NTP timestamp */
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hevc->get_rtcp()->set_ts_info(1337, clock_rate, timestamp);
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for (int i = 0; i < 10; ++i) {
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/* If needed, custom timestamps can be given to push_frame().
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*
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* This overrides uvgRTP's own calculations and uses the given timestamp for all RTP packets of "buffer" */
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if (hevc->push_frame(buffer, PAYLOAD_MAXLEN, clock_rate * timestamp++, RTP_NO_FLAGS) != RTP_OK)
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fprintf(stderr, "Failed to send RTP frame!");
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}
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/* Session must be destroyed manually */
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delete[] buffer;
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ctx.destroy_session(sess);
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return 0;
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}
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@ -31,19 +31,8 @@ int main(void)
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uint32_t timestamp = 0;
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for (int i = 0; i < 10; ++i) {
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#ifndef CUSTOM_TIMESTAMPS
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/* Sending data is as simple as calling push_frame().
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*
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* push_frame() will fragment the input buffer into payloads of 1500 bytes and send them to remote */
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if (hevc->push_frame(buffer, PAYLOAD_MAXLEN, RTP_NO_FLAGS) != RTP_OK)
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fprintf(stderr, "Failed to send RTP frame!");
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#else
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/* If needed, custom timestamps can be given to push_frame().
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*
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* This overrides uvgRTP's own calculations and uses the given timestamp for all RTP packets of "buffer" */
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if (hevc->push_frame(buffer, PAYLOAD_MAXLEN, (90000 / 30) * timestamp++, RTP_NO_FLAGS) != RTP_OK)
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fprintf(stderr, "Failed to send RTP frame!");
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#endif
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}
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/* Session must be destroyed manually */
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@ -177,7 +177,7 @@ namespace uvg_rtp {
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/* Set wallclock reading for t = 0 and random RTP timestamp from where the counting is started
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* + clock rate for calculating the correct increment */
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void set_sender_ts_info(uint64_t clock_start, uint32_t clock_rate, uint32_t rtp_ts_start);
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void set_ts_info(uint64_t clock_start, uint32_t clock_rate, uint32_t rtp_ts_start);
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/* Update various session statistics */
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void update_session_statistics(uvg_rtp::frame::rtp_frame *frame);
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@ -208,7 +208,7 @@ bool uvg_rtp::rtcp::is_participant(uint32_t ssrc)
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return participants_.find(ssrc) != participants_.end();
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}
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void uvg_rtp::rtcp::set_sender_ts_info(uint64_t clock_start, uint32_t clock_rate, uint32_t rtp_ts_start)
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void uvg_rtp::rtcp::set_ts_info(uint64_t clock_start, uint32_t clock_rate, uint32_t rtp_ts_start)
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{
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clock_start_ = clock_start;
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clock_rate_ = clock_rate;
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@ -93,7 +93,6 @@ uvg_rtp::srtp_ctx_t& uvg_rtp::srtp::get_ctx()
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return srtp_ctx_;
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}
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>>>>>>> security-fixes
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rtp_error_t uvg_rtp::srtp::__init(int type, int flags)
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{
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srtp_ctx_.roc = 0;
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